Laptop BitLocker failing on drive with VSS service communication tampering

4.5

The internal communication channels (LPC/RPC) for VSS are being blocked.

Symptoms
  • BitLocker hangs
  • RPC error
  • Service not responding
Possible Causes
  • Firewall settings
  • Malware
  • Resource exhaustion

Step-by-Step Fix

1

Check RPC Service

Ensure "Remote Procedure Call" is running.

2

Reset Windows Firewall

Ensure local communication isn't blocked.

3

Check for Malware

Some malware intercepts RPC calls.

When to See a Technician

VSS components talk to each other via RPC; if this is blocked, the service "freezes".

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